CN101038429A - Projection apparatus - Google Patents

Projection apparatus Download PDF

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Publication number
CN101038429A
CN101038429A CNA2007100881339A CN200710088133A CN101038429A CN 101038429 A CN101038429 A CN 101038429A CN A2007100881339 A CNA2007100881339 A CN A2007100881339A CN 200710088133 A CN200710088133 A CN 200710088133A CN 101038429 A CN101038429 A CN 101038429A
Authority
CN
China
Prior art keywords
procapsid
cover glass
insulating
light source
light
Prior art date
Application number
CNA2007100881339A
Other languages
Chinese (zh)
Inventor
土肥直仁
Original Assignee
船井电机株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2006071224 priority Critical
Priority to JP2006071224A priority patent/JP2007248753A/en
Application filed by 船井电机株式会社 filed Critical 船井电机株式会社
Publication of CN101038429A publication Critical patent/CN101038429A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/145Housing details, e.g. position adjustments thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating

Abstract

There is provided a projection apparatus in which a cover glass can be attached to a light source unit easily and with a low cost, and breaking or dropping-off of the cover glass when an impact is applied, and a short circuit or electric leak when the light source is damaged can be prevented. In a front case made of metal that covers a front of a lamp of the light source unit, and an insulating member having an insulating property, impact absorbing property and heat resistance that is attached to an inside of the front case, openings allowing light emitted from the lamp to exit are provided so as to be communicatively connected, and fitting portions into which the cover glass having an ultraviolet removing function is fitted are provided around the openings in opposed surfaces of both the members. The cover glass is fitted into the fitting portion of the front case to attach the insulating member to the front case, by which the cover glass is sandwiched and fixed by the fitting portions of the front case and the insulating member.

Description

Projector equipment

Technical field

The present invention relates to a kind ofly form projector equipment with projected image, particularly a kind of structure that cover glass is installed to light source cell by the light that sends from light source.

Background technology

In the projector equipment such as projector and rear-projection TV, be provided with light source cell, image projection unit etc.This light source cell is by constituting such as the light source of lamp, the split type housing that keeps this light source etc.This image projection unit is by such as the imaging device of DMD (Digital Micromirror Device), such as the optical devices of colour wheel, lens and reflective mirror and the formations such as split type housing that keep these devices.Each housing is made high heat when bearing light source luminescent with metal.When the light that sends from light source penetrates through the opening of the housing of light source cell, and when the opening of the housing of image projection unit is injected this housing, form image by imaging device and optical devices based on the light of incident, and with this image projection to screen.

In these projector equipments, have a kind of projector equipment be prevent the ultraviolet ray that contains in the light of light source reduce image projection unit said apparatus performance or human body produced deleterious effect, on the light source cell shell nozzle, cover glass is installed, this cover plate covers on the ultraviolet ray that can remove when transmitting light in the light that light source sends, for example referring to patent documentation 1: Japanese Utility Model number of registration No.3092509 and patent documentation 2: Japanese Utility Model number of registration No.3104472.Accessory structure as disclosed this cover glass in the above-mentioned patent documentation 2 for example, on the holding plate that the opening that penetrates for light is located on the cover plate that sheet metal makes and sheet metal is made, this cover plate is installed to the place ahead that is used to cover light source on the framework of procapsid, this holding plate is used to keep this cover glass, and two plates insert and put and fix this cover glass with connections such as screws with the edge by two openings.

In addition, in these projector equipments, it is to prevent to damage when being used as the lamp explosion of light source lamp device on every side that a kind of projector equipment is arranged, on the shell nozzle of light source cell, cover glass is installed, this cover glass can prevent the explosion fragment of the lamp light source cell that flies out, for example referring to patent documentation 3: Japanese Patent Application No.2004-239975 and patent documentation 4: Japanese Patent Application No.2005-149841.The disclosed accessory structure that is used for this cover glass among the Japanese Patent Application No.2005-149841 as for example above-mentioned patent documentation 4, the opening that penetrates for light is located on the Explosion-proof cap that metallic cylinder or heat stable resin cylinder make, this Explosion-proof cap is the part of the housing in covering light source the place ahead, this around openings is provided with the taper department of assembly, the end of the rod-shaped electrode of lamp is provided with the connecting portion that is used to contact this cover glass, and this cover glass is inserted in this department of assembly, fixes this cover glass to adopt heat-resisting viscose glue or spring part and this connecting portion.

In the structure shown in the above-mentioned patent documentation 2, cover glass inserts and puts and is fixed between metal cover plate and the holding plate, therefore, for example when the light source changed such as lamp, the light source cell that takes out from projector equipment drops easily because of carelessness, and light source cell is impacted easily, and this impact may transmit from two plates, and cover glass breaks easily.In addition, when for example lamp generation explosion, when causing light source to damage, the electric-conductor that is provided with in the light source can scatter forward as electrode or filament, and comes in contact with metal cover plate and holding plate, causes short circuit or electric leakage.In addition, owing to after cover glass being folded between cover plate and the holding plate, connect two plates, thereby cover plate is connected on the framework of procapsid, therefore cover glass is installed on the procapsid, this course of work effort is time-consuming.In addition, make with sheet metal owing to only be used for fixing the holding plate of cover glass, so cost increases.

In addition, in the said structure shown in the patent documentation 4, cover glass is inserted in the department of assembly that is provided with in the opening of the Explosion-proof cap made from the heat stable resin cylinder, and adopt the connecting portion and the spring part that are provided with in the rod-shaped electrode of heat-resisting viscose glue or lamp to fix, when therefore the impact that causes when for example dropping puts on the light source cell, viscose glue may be thrown off or spring part distortion and connecting portion bump, so cover glass drops easily or breaks.In addition, owing to connecting portion and spring part need be set contact cover glass in the rod-shaped electrode of lamp etc., so can't use ordinary light source, cause cost to increase greatly.

Summary of the invention

The present invention is intended to address the above problem, an object of the present invention is to provide a kind of projector equipment, in this projector equipment, can be easily, at low cost cover glass is installed on the light source cell, and can prevent that cover plate from covering on breaks when being subjected to impacting or drops, and can prevent that light source is short-circuited when damaging or leaks electricity.

According to the present invention, a kind of projector equipment is provided, it comprises: have light source light source cell, transmit the cover glass of the light that this light source sends and keep the split type housing of this light source and this cover glass, this projector equipment forms image and this image of projection by the light that this light source cell penetrates, this projector equipment comprises: metal procapsid, this procapsid covers the place ahead of light source, and as parts of housing; And have insulativity, impact absorbency and a stable on heating insulating part, this insulating part is installed in this procapsid, wherein, on this procapsid and this insulating part, be respectively equipped with the light that sends for light source opening that penetrate, that interconnect, around described opening, be provided with the department of assembly that is fitted into them for cover glass, and cover glass is assembled to the department of assembly one of them, so that insulating part is installed on the procapsid, thereby, insert and put and the fixed protection cloche by procapsid and insulating part.

Under this structure, owing to cover glass need only be assembled in one of them of department of assembly of procapsid and insulating part, and insulating part is installed on the procapsid, fixed protection cloche thus, therefore the quantity of the course of work and labour reduce, time shortens, and need not to prepare to be specifically designed to the parts of fixed protection cloche.Therefore can be easily, cover glass is installed on the procapsid of light source cell at low cost.In addition, since cover glass insert and put and be fixed on metal procapsid and have impact absorbency and stable on heating insulating part between, therefore, when light source cell is subjected to impacting, this impact can absorb by insulating part, thereby can prevent that cover glass from breaking easily or drop.In addition, the high heat that procapsid and insulating part are produced in the time of can bearing light source luminescent, this feasible stationary state that can stably keep cover glass.In addition, owing to insulate by insulating part in procapsid inside, even therefore the electric-conductor that is provided with in this light source when light source damages scatters forward, this electric-conductor can not come in contact with procapsid yet, and this can prevent the generation of short circuit or leaky.

In addition, according to the present invention, the jut of a part of each end face of supporting protection cloche and the lower concave part that is fitted into them for the jut of corresponding component are set on each top, department of assembly of procapsid and insulating part.

In the structure of whole end face by the side wall support of the department of assembly of Explosion-proof cap of the cover glass described in the above-mentioned patent documentation 4, when being assembled to cover glass in the department of assembly, finger etc. may touch the surface that is used to transmit light of cover glass, therefore can pollute or abrade these surfaces, thereby the light conveying function can descend.But, as mentioned above, be provided with under the situation of jut and lower concave part on the top, department of assembly of procapsid and insulating part, available finger etc. grasp cover glass end face can't help the part that the jut of procapsid supports, so that cover glass is assembled to the department of assembly, and finger etc. can not touch the surface that is used to transmit light of cover glass.The light conveying function on surface that is used to transmit light that therefore can prevent cover glass is descended because of polluting or abrading.In addition, the jut of procapsid and insulating part is assembled to respectively in the lower concave part of insulating part and procapsid, therefore can prevent the insulating part swing, thereby can easily insulating part be installed on the procapsid.In addition, cover glass is not only on the surface that is used to transmit light, and on each end face by procapsid and insulating part stable support, this can more effectively prevent breaking of cover glass and damage.

In addition, according to an exemplary embodiment of the present invention, a kind of projector equipment is provided, it comprises: have the light source cell of lamp, remove the ultraviolet tabular cover glass in delustering and keep the split type housing of this lamp and this cover glass when transmitting the light that this lamp sends, this projector equipment forms image and this image of projection by the light that this light source cell penetrates, this projector equipment comprises: metal procapsid, and this procapsid covers the place ahead of lamp, and as parts of this housing; And has an insulativity, impact absorbency, thermotolerance, the insulating part made from high-intensity synthetic resin, this insulating part is installed in this procapsid, wherein, be respectively equipped with on this procapsid and this insulating part that the light that sends for lamp penetrates, the opening that interconnects, be provided with the department of assembly that is fitted into them for cover glass around the described opening, in each described department of assembly, partly be provided with a plurality of juts of a part of each end face of supporting protection cloche, with a plurality of lower concave parts that are fitted into them for the jut of corresponding component, this cover glass is assembled in the department of assembly of procapsid, and procapsid and insulating part jut separately is assembled in insulating part and the procapsid lower concave part separately, so that insulating part is installed on the procapsid, thereby, cover glass can be supported by jut, and inserts and puts and fix this cover glass by procapsid and insulating part.

Under this structure, owing to need only remove the cover glass of function and be assembled in the department of assembly of procapsid with having ultraviolet ray, and insulating part is installed on the procapsid, get final product the fixed protection cloche, therefore the quantity of the course of work and labour reduce, time shortens, and need not to prepare to be specifically designed to the parts of fixed protection cloche.Therefore can be easily, cover glass is installed on the procapsid of light source cell at low cost.Especially, because the insulating part that synthetic resin forms is compared with the parts that sheet metal is made, therefore cost manufacturing that can be lower can further reduce cost.In addition, because cover glass inserts and puts and is fixed on metal procapsid and has between the insulating part that impact absorbency, thermotolerance and high-intensity synthetic resin makes, therefore when light source cell is subjected to impacting, this impact can absorb by insulating part, thereby can prevent that cover glass from breaking easily or drop.In addition, procapsid and insulating part can bear the high heat that lamp produces when luminous, and this makes the stationary state that can stably keep cover glass.In addition, owing to insulate by insulating part in the inside of procapsid, even when therefore lamp damages such as explosion takes place, the electric-conductor such as electrode and filament in the lamp scatters forward, this electric-conductor can not come in contact with procapsid yet, and this can prevent the generation of short circuit or leaky.In addition, owing to jut and lower concave part partly are set in the department of assembly of procapsid and insulating part, therefore available finger etc. grasp cover glass each end face can't help the position that the jut of procapsid supports, so that cover glass is assembled in the department of assembly, and finger etc. do not touch the surface that is used to transmit light of cover glass.Therefore can prevent that the light conveying function of cover glass and ultraviolet ray from removing performance and being polluted or abrade because of the surface that is used to transmit light and descend.In addition, the jut of procapsid and insulating part is assembled to respectively in the lower concave part of insulating part and procapsid, therefore can prevent the insulating part swing, and can easily insulating part be installed on the procapsid.In addition, cover glass is not only transmitting on the surface of light but also can stably supported by procapsid and insulating part on each end face, and this can more effectively prevent breaking of cover glass and damage.

According to the present invention and since cover glass insert and put and be fixed on metal procapsid with have impact absorbency and stable on heating insulating part between, so can be easily, at low cost cover glass is installed on the light source cell.In addition, when light source cell is subjected to impacting, can prevent that cover glass from breaking easily or drop, the electric-conductor and the procapsid of light source insulate with insulating part, and this makes the generation that can prevent short circuit or leaky when light source damages.

Description of drawings

Fig. 1 is the structural drawing of conduct according to the projector of an example of projector equipment of the present invention;

Fig. 2 is the face upwarding stereogram of this projector;

Fig. 3 is the exploded view that is included in procapsid, cover glass and insulating part in the light source cell of this projector;

Fig. 4 is the view that shows the installment state of procapsid, cover glass and insulating part;

Fig. 5 is the front elevation of procapsid; And

Fig. 6 is the front elevation of insulating part.

Embodiment

Below in conjunction with the description of drawings embodiments of the invention.Fig. 1 is the structural representation of conduct according to the projector 100 of the example of projector equipment of the present invention.Fig. 2 is the face upwarding stereogram of this projector 100.Projector 100 is single panel type DLP (digital light processing) projector.Be provided with light source cell 2 and image projection unit 3 in the body 1 of this projector 100.Also be provided with unshowned air-conditioning unit, control module and power supply unit in the body 1.

Light source cell 2 is contained in the light source accommodation section 1a that is provided with in the body 1.As shown in Figure 2, the bottom of body 1 is provided with the opening 1b that is communicated with this light source accommodation section 1a.Light source cell 2 can be placed among the 1a of this light source accommodation section or from the 1a of this light source accommodation section by this opening 1b and take out.Unless change and taking-up light source cell 2, opening 1b is by unshowned closed with covers.Be respectively equipped with opening 1c, 1d in the place ahead of this light source accommodation section 1a (side of image projection unit 3).

The split type front and back housing of the light source cell 2 that Reference numeral 4,5 expression of Fig. 1 is made with heat-resisting, high duty metal such as aluminium.Reference numeral 4 expression procapsids, Reference numeral 5 expression back casings.Reference numeral 6 expressions are as the lamp of light source, and the reflector of the light of lamp 6 is reflected and assembles in Reference numeral 7 expressions.Lamp 6 and reflector 7 are arranged in the back casing 5, with screw and so on back casing 5 with procapsid 4 assemblings and be fixed together, so that the place ahead of lamp 6 and reflector 7 is covered by procapsid 4, its rear is covered by back casing 5, and lamp 6 and reflector 7 keep by housing 4,5.Be provided with the opening 4a of the light ejaculation of sending in the procapsid 4 for lamp 6.Reference numeral 8 expressions are installed in the cover glass of procapsid 4 inboards, thus sealing opening 4a.Thereby cover glass 8 for allow visible light by but do not allow that ultraviolet ray is by removing the ultraviolet squarish plate glass in this light when propagating the light that lamp 6 sends.Reference numeral 9 expressions are installed in the insulating part of procapsid 4 inboards.This insulating part 9 is by having insulativity, impact absorbency, thermotolerance and high-intensity synthetic resin such as liquid-crystal polyester resin (LCP) is made.Insulating part 9 is provided with the opening 9a of the light ejaculation of sending for lamp 6.Cover glass 8 keeps by procapsid 4 and insulating part 9, and this will hand over hereinafter.

The colour wheel that Reference numeral 10 expression disks are made has been arranged alternately redness, green and blue filter along the circumferencial direction of this colour wheel.Rotate this colour wheel 10 by the motor (not shown), and make the white light that sends from lamp 6 pass one of them of light filter and be separated into ruddiness, green glow and blue light.The vertical split type housing of Reference numeral 11 presentation video projecting cells 3, this vertical split type housing is made as aluminium by metal.On the side of light source cell 2 one sides of housing 11, be provided with light that send for lamp 6 and that pass colour wheel 10 and inject its inner opening 11a.In addition, colour wheel 10 is installed on this side of housing 11 by unshowned fabricated section.Following image projection parts 12~16 are installed in the housing 11.

Reference numeral 12 is the light tunnel of minute surface for inside surface.The opening that the light that light tunnel 12 can make the opening from the one end inject is gone up behind the interreflection from the other end within it penetrates, thereby makes light become the even light of gathering through short light path.Reference numeral 13 passes the reflective mirror of the light in light tunnel 12 for reflection.Reference numeral 14 is the relay lens of the luminous flux of the light of alignment reflective mirror 13 reflections.Reference numeral 15 is Digital Micromirror Device (DMD), and in this DMD, a hundreds of thousands precise and tiny micro mirror (its explanation is omitted) is integrated on the semiconductor memory, and each micro mirror that all is assigned storage unit constitutes pixel.DMD 15 is installed on the unshowned circuit board, and by unshowned heating radiator cooling.Each micro mirror of DMD 15 constitutes and can tilt along ± 12 ° both direction, thereby can tilt along any direction in the both direction by electrostatic attraction according to storing value, and visual vergence direction is the state of two values of ON/OFF.The projecting lens that the cylinder of axial stretching constitutes but Reference numeral 16 is served as reasons is placed with a plurality of lens etc. in this cylinder.Light by DMD 15 reflections passes projecting lens 16 to project on the screen 20.

As shown by arrows, the white light that sends from lamp 6 passes the opening 9a of insulating part 9, and adopts cover glass 8 to remove ultraviolet ray.The white light that passes cover glass 8 passes the opening 4a of procapsid 4 and the opening 1c of light source accommodation section 1a, and passes through arbitrary light filter of colour wheel 10, is separated into ruddiness, green glow and blue light afterwards.Coloured light after the separation enters inside from the opening 11a of housing 11, passes light tunnel 12 afterwards and assembles and uniform light to become.12 light that penetrate upwards reflect at a predetermined angle at reflective mirror 13 from the light tunnel, and pass relay lens 14, shine afterwards on the DMD 15.At this moment, when the micro mirror of DMD 15 was in the ON state, the light that is reflected by reflective mirror absorbed to project on the screen 20 through projecting lens 16.When micro mirror was in the OFF state, projecting lens 16 did not absorb the light of reflective mirror reflection, thereby does not project on the screen 20.That is, projector 100 is according to the ON/OFF duty of each micro mirror of control such as the vision signal DMD 15 of input, thereby forms image on DMD 15, and afterwards through projecting lens 16 with this image projection to screen 20.

Fig. 3 is the stereographic map of the decomposing state of the procapsid 4, cover glass 8 and the insulating part 9 that show light source cell 2.Fig. 4 shows cover glass 8 and insulating part 9 to be installed to stereographic map on the procapsid 4.Fig. 5 is the front elevation of the procapsid 4 that insulating part 9 one sides are looked from Fig. 3.Fig. 6 is the front elevation of the insulating part 9 that procapsid 4 one sides are looked from Fig. 3.In Fig. 3 and Fig. 4, the arrow shown in the dot-and-dash line is represented optical axis direction, and the light that lamp 6 sends is advanced along this optical axis direction.Above-mentioned lamp 6, reflector 7 and back casing 5 are arranged in arrow rear end side (lower left among the figure), and above-mentioned image projection unit 3 is arranged in arrow tip side (upper right side among the figure).

The inside of procapsid 4 is recessed, supplies the opening 4a of the light ejaculation of above-mentioned lamp 6 to be formed at central interior.As Fig. 3 and shown in Figure 5, the 4b of department of assembly that assembles for cover glass 8 is formed at around the opening 4a.Opening 4a forms less than cover glass 8.The 4b of department of assembly forms greater than cover glass 8.Partly be provided with jut 4c, 4d, 4e and lower concave part 4f, 4g, 4h at the 4b of department of assembly.As shown in Figure 5, under cover glass 8 is assembled to state among the 4b of department of assembly, support by jut 4c, 4d, 4e with the part of vertical end face 8c, the 8d of the surperficial 8a, the 8b that are used to transmit light (surperficial 8b is the reverse side of surperficial 8a, and is shown among Fig. 6) of cover glass 8,8e.The other end 8j of cover glass 8 is supported by the sidewall 4j of the 4b of department of assembly.

The side of the opening 4a of procapsid 4 is formed with the big opening 4k of ratio open 4a.Be formed with supporting surface 4m from supported underneath insulating part 9 in the bottom of opening 4k.Be formed with the threaded hole 4n that screws in for the screw 17 (screw shown in Fig. 4) that insulating part 9 is installed on the top of opening 4k and the upper right quarter of opening 4a.Be formed with in the upper end of procapsid 4 and bottom be used for assembling the boss 4p of back casing 5 with for being used for being connected threaded hole 4q back casing 5, that unshowned screw screws in.At boss 4p and the other stage portion 4r that is formed with the top ends that supports reflector 7 of threaded hole 4q.

As shown in Figure 4, insulating part 9 adopts screws 17 to be installed to procapsid 4 inside, and makes near the part of opening 4a, 4k and the procapsid from opening 4a, 4k to the SI semi-insulation of 4r of portion and threaded hole 4n of topping bar, thereby makes electric current to flow.Part from opening 4a, 4k to the 4r of portion that gets out of a predicament or an embarrassing situation in the procapsid 4 and adopt another unshowned insulating part insulation from opening 4a to part with opening 4k interior surface opposing.By this way, when procapsid 4 inner employing insulating part 9 grades insulate, even as shown in Figure 1, explosions take place in lamp 6 when light source cell 2 being assembled and be attached in the body 1, the electric-conductor of electrode that be provided with in the lamp 6, unshowned and filament and so on scatters forward from reflector 7, and electric-conductor can not come in contact with procapsid 4 yet.

As shown in Figure 3, be formed with the opening 9a of the light ejaculation that supplies lamp 6 in the front portion of insulating part 9.As shown in Figure 6, around procapsid 4 one sides of opening 9a, be formed with the 9b of department of assembly for cover glass 8 assemblings.Opening 9a forms less than cover glass 8.The 9b of department of assembly forms greater than cover glass 8.Partly be provided with jut 9f, 9g, 9h and lower concave part 9c, 9d, 9e at the 9b of department of assembly.As shown in Figure 6, under cover glass 8 was assembled to state among the 9b of department of assembly, the part of end face 8d, the 8e of cover glass 8 was supported by jut 9f, 9g, 9h.As shown in Figure 4, under insulating part 9 is installed in state on the procapsid 4, jut 4c, the 4d of procapsid 4,4e are assembled to respectively among lower concave part 9c, 9d, the 9e of insulating part 9, and jut 9f, the 9g of insulating part 9,9h are assembled to respectively among lower concave part 4f, 4g, the 4h of procapsid 4.In addition, the opening 4a of procapsid 4 is communicated with the opening 9a of insulating part 9.And as shown in Figure 1, under light source cell 2 was attached to state in the body 1, the opening 1c of opening 9a, 4a and light source accommodation section 1a was communicated with, thereby the light of lamp 6 is mapped on the colour wheel 10 through opening 9a, 4a, 1a.

Shown in Fig. 3 waited, the side of the opening 9a of insulating part 9 was formed with skew wall 9j.Be formed with the opening 9k littler than the opening 4k of procapsid 4 in the bottom of this skew wall 9j.As shown in Figure 4, under insulating part 9 was installed in state on the procapsid 4, the lower surface 9m of the skew wall 9j of insulating part 9 was supported by the supporting surface 4m of procapsid 4, with abundant covering opening 4k.In addition, the opening 9k of insulating part 9 is communicated with the opening 4k of procapsid 4.In addition, as shown in Figure 1, under light source cell 2 was attached to state in the body 1, the opening 1d (Fig. 2) of opening 9k, 4k and light source accommodation section 1a was communicated with, and passed opening 1d, 4k, 9k with cooling light source cell 2 by being arranged on the wind that fan in the body 1, unshowned produces.The opening 9a top of insulating part 9 is formed with flange part 9p.On this flange part 9p, be formed with through hole 9n, be used for the screw 17 that insulating part 9 is installed on the procapsid 4 is passed from this through hole 9n.

In said structure, for cover glass 8 and insulating part 9 are installed on the procapsid 4, at first, wait the part that jut 4c, 4d, 4e and the sidewall 4j of procapsid 4 support of can't help of end face 8c, the 8d grasp cover glass 8,8e with finger, and as shown in Figure 5, cover glass 8 is assembled among the 4b of department of assembly of procapsid 4.Then, in the inside of procapsid 4 up, so that under the state that cover glass 8 can not drop from the 4b of department of assembly, the 9b of department of assembly of insulating part 9 is near the 4b of department of assembly, and with among lower concave part 4f, the 4g of jut 9f, the 9g of jut 4c, 4d, 4e and the insulating part 9 of procapsid 4, lower concave part 9c, 9d, 9e and procapsid 4 that 9h is assembled to insulating part 9 respectively, the 4h.Then, make screw 17 pass the through hole 9n of insulating part 9 and be screwed among the threaded hole 4n of procapsid 4, thereby as shown in Figure 4, insulating part 9 is installed on the procapsid 4.This make each end face 8c, 8d, 8e, the 8j of cover glass 8 can be respectively by jut 9f, 9g, the 9h of jut 4c, 4d, 4e and the insulating part 9 of procapsid 4, and the sidewall 4j of procapsid 4 supports, between the 9b of department of assembly of the two surperficial 8a that are used to transmit light of cover glass 8, the 4b of department of assembly that 8b is interposed in procapsid 4 and insulating part 9, with fixed protection cloche 8.

In this way, owing to cover glass 8 need only be assembled among the 4b of department of assembly of procapsid 4, and insulating part 9 is installed on the procapsid 4, get final product fixed protection cloche 8, therefore the quantity of the course of work and labour reduce, time shortens, and need not to prepare to be specifically designed to the parts of fixed protection cloche 8.Therefore can be easily, cover glass 8 is installed on the procapsid 4 of light source cell 2 at low cost.Especially, because the low cost of manufacture of the parts that the manufacturing cost of the insulating part 9 made of synthetic resin is made than sheet metal.

In addition, because cover glass 8 inserts and puts and is fixed on metal procapsid 4 and has between the insulating part 9 that impact absorbency, thermotolerance and high-intensity synthetic resin makes, even therefore when changing lamp 6, the light source cell 2 that takes out from the light source accommodation section 1a of body 1 drops because of carelessness and causes light source cell 2 to be impacted, this impacts also and can be absorbed by insulating part 9, thereby can prevent that cover glass 8 from breaking easily or drop.In addition, procapsid 4 and insulating part 9 can bear the high heat that lamp 6 produces when luminous, and this makes can stablize the stationary state that keeps cover glass 8.In addition, because the inside of procapsid 4 is waited by insulating part 9 and is insulated, even therefore when lamp 6 generations damage such as explosion, scatter forward such as the electrode of lamp 6 and the electric-conductor the filament, these electric-conductors can not come in contact with procapsid 4 yet, thereby can prevent the generation of short circuit or leaky.

In addition, in the structure of whole end face by the side wall support of the department of assembly of Explosion-proof cap of the cover glass described in the above-mentioned patent documentation 4, when cover glass is assembled in the department of assembly, finger etc. touches the surface that is used to transmit light of cover glass, therefore these surfaces can be polluted or abrade, thereby light conveying function and ultraviolet ray removal performance can be reduced.But, as mentioned above, be provided with under the situation of jut 4c, 4d, 4e and lower concave part 4f, 4g, 4h on 4b top, the department of assembly of procapsid 4, finger waits the position that jut 4c, 4d, 4e and the sidewall 4j of procapsid 4 support of can't help of end face 8c, the 8d can grasp cover glass 8,8e, so that cover glass 8 is assembled to the 4b of department of assembly, and finger etc. can not touch the surperficial 8a, the 8b that are used to transmit light of cover glass 8.The light conveying function and the ultraviolet ray removal performance that therefore can prevent cover glass 8 are descended because of surperficial 8a, 8b pollute and abrade.In addition, owing to be provided with to the 9b top, department of assembly of insulating part 9 jut 9f, 9g, 9h and lower concave part 9c, 9d, 9e, the jut of the jut of procapsid 4 and insulating part 9 is assembled to respectively in the lower concave part of the lower concave part of insulating part 9 and procapsid 4, thereby can prevent the swing of insulating part 9, thereby can easily adopt screw 17 that insulating part 9 is installed on the procapsid 4.In addition, cover glass 8 not only is being used to transmit on surperficial 8a, the 8b of light but also can be stably being supported by procapsid 4 and insulating part 9 on each end face 8c, 8d, 8e and 8j, and this can more effectively prevent breaking of cover glass 8 and damage.

The present invention also can adopt the various forms outside the foregoing description.For example, although cover glass 8 is assembled among the 4b of department of assembly of procapsid 4 in the above-described embodiments, thereby insulating part 9 is installed on the procapsid 4, the present invention is not limited.In addition, also available finger etc. grasp cover glass 8 end face 8c, 8d, 8e can't help jut 9f, the 9g of insulating part 9, the part that 9h supports, cover glass 8 is assembled among the 9b of department of assembly of insulating part 9, and up with the 9b of the department of assembly side of insulating part 9, so that under the state that cover glass 8 can not drop from the 9b of department of assembly, insulating part 9 can be installed on the procapsid 4.But, because procapsid 4 is than insulating part 9 weights, therefore under inboard state up, insulating part 9 is installed on the procapsid 4, thereby the process that cover glass 8 is installed is easier, and practicality is better procapsid 4.

In addition, although in the above-described embodiments lamp 6 is used as light source, the present invention is not limited, in addition, and also can be with LED (light emitting diode) as light source.

In addition, although will have the cover glass 8 of ultraviolet ray removal performance in the above-described embodiments is installed on the procapsid 4, but the present invention is not limited, being installed in cover glass on the procapsid also can be and not only has ultraviolet ray and remove performance, but also have the splash glass of function of anti-lamp fragment, as tempered glass.

In addition, although in the above-described embodiments, approximate opening 4a, the 9a that is square hole shape is set in procapsid 4 and the insulating part 9, so that the approximate cover glass 8 that is square to be set between this opening 4a, 9a, the present invention is not limited.The shape of the opening that penetrates for light in procapsid and the insulating part also can be rectangle, circle etc., and especially, the opening that is provided with in the insulating part is not limited to the hole, and it also can be otch etc.In addition, the shape of cover glass is not limited to square, and it also can be rectangle, circle etc.

In addition, although in the above-described embodiments, the present invention is applicable to single panel type DLP projector 100, in addition, the present invention for example is used as three DMD three template DLP projector of imaging portion, the liquid crystal type projector and the rear-projection TV of use liquid crystal board also applicable to other projector equipment.

Claims (3)

1, a kind of projector equipment, it comprises: have the light source cell of lamp, remove the ultraviolet tabular cover glass in the described light and keep the split type housing of this lamp and this cover glass when transmitting the light that this lamp sends, this projector equipment forms image and this image of projection by the light that this light source cell penetrates, and this projector equipment also comprises:
Procapsid, it is made of metal, and this procapsid covers the place ahead of described lamp, and as parts of described split type housing; And
Insulating part, it is made by having insulativity, impact absorbency, thermotolerance and high-intensity synthetic resin, and is installed in the described procapsid,
Wherein, be respectively equipped with the light that sends for this lamp opening that penetrate, that interconnect on described procapsid and described insulating part, described around openings is provided with for described cover glass and is assembled to department of assembly in the described opening; And partly be provided with a plurality of juts and a plurality of lower concave part in each described department of assembly, described a plurality of juts support the part of the end face of described cover glass, and the jut of corresponding component can be assembled in described a plurality of lower concave part; And
Described cover glass is assembled in the described department of assembly of described procapsid, and described procapsid and described insulating part described jut separately is assembled to respectively in described insulating part and the described procapsid described lower concave part separately, so that this insulating part is installed on this procapsid, thereby, this cover glass is supported by each described jut, and inserts and puts and fix this cover glass by this procapsid and this insulating part.
2, a kind of projector equipment, it comprises light source cell with light source, transmit the cover glass of the light that this light source sends and keep the split type housing of this light source and this cover glass, this projector equipment forms image and this image of projection by the light that this light source cell penetrates, and this projector equipment also comprises:
Procapsid, it is made of metal, and this procapsid covers the place ahead of described light source, and as parts of described split type housing; And
Insulating part, it has insulativity, impact absorbency and thermotolerance, and is installed in the described procapsid,
Wherein, be respectively equipped with the light that sends for this light source opening that penetrate, that interconnect on described procapsid and described insulating part, described around openings is provided with for described cover glass and is assembled to department of assembly in the described opening; And
Described cover glass is assembled to one of them of described department of assembly, so that described insulating part is installed on the described procapsid, thereby, insert and put and fix this cover glass by described procapsid and described insulating part.
3, projector equipment according to claim 2, wherein, in described procapsid and described insulating part described department of assembly separately, partly be provided with a plurality of juts and a plurality of lower concave part, described a plurality of jut supports the part of the end face of described cover glass, and the jut of corresponding component is assembled in described a plurality of lower concave part.
CNA2007100881339A 2006-03-15 2007-03-15 Projection apparatus CN101038429A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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CN105068368A (en) * 2015-08-27 2015-11-18 杨毅 Luminescence apparatus, projection display apparatus and lamp fixture
CN105159016A (en) * 2015-10-30 2015-12-16 广西中才铝业有限公司 Projector shell
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006058859A (en) * 2004-07-23 2006-03-02 Kazuji Yoshida Image display apparatus
JP4229087B2 (en) * 2005-05-26 2009-02-25 ソニー株式会社 Projection display
JP2015108657A (en) * 2013-12-03 2015-06-11 株式会社リコー Image projection device and discharge lamp
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Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0392509U (en) 1990-01-10 1991-09-20
JPH03104472U (en) 1990-02-14 1991-10-30
JP3104472B2 (en) 1993-06-15 2000-10-30 関東特殊製鋼株式会社 Roll material for hot rolling
JP3092509B2 (en) 1996-03-26 2000-09-25 住友電装株式会社 Flattening method and apparatus for cable
JP3841950B2 (en) 1998-02-24 2006-11-08 三菱電機株式会社 Lamp box and projector device
JP3741145B2 (en) 1999-10-15 2006-02-01 ソニー株式会社 Projection display
JP3664065B2 (en) * 2000-09-29 2005-06-22 セイコーエプソン株式会社 Light source device and projector
JP3092509U (en) * 2002-09-02 2003-03-20 船井電機株式会社 Image display projector using DMD
JP2004239975A (en) 2003-02-03 2004-08-26 Tamron Co Ltd Lamp holder
JP3829813B2 (en) * 2003-02-25 2006-10-04 セイコーエプソン株式会社 projector
JP4345447B2 (en) 2003-11-13 2009-10-14 カシオ計算機株式会社 Light source device
JP4063213B2 (en) 2003-12-09 2008-03-19 カシオ計算機株式会社 LIGHT SOURCE DEVICE AND PROJECTOR HAVING THE SAME
US7358657B2 (en) * 2004-01-30 2008-04-15 Hewlett-Packard Development Company, L.P. Lamp assembly
JP3104472U (en) * 2004-04-06 2004-09-16 船井電機株式会社 Image display projector
JP4093211B2 (en) * 2004-07-14 2008-06-04 セイコーエプソン株式会社 Light source device and projector
JP4502885B2 (en) * 2005-06-01 2010-07-14 三洋電機株式会社 Projection display
JP4848703B2 (en) * 2005-08-16 2011-12-28 ソニー株式会社 Heat dissipation structure in video projector

Cited By (4)

* Cited by examiner, † Cited by third party
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CN109884852A (en) * 2019-03-29 2019-06-14 苏州佳世达光电有限公司 Light source module and projection arrangement

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US7819535B2 (en) 2010-10-26
DE602007000237D1 (en) 2008-12-24
EP1838098B1 (en) 2008-11-12
US20070216873A1 (en) 2007-09-20
PL1838098T3 (en) 2009-04-30
JP2007248753A (en) 2007-09-27
EP1838098A1 (en) 2007-09-26

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